5445490 has 8 divisors (see below), whose sum is σ = 9801900. Its totient is φ = 2178192.

The previous prime is 5445481. The next prime is 5445493. The reversal of 5445490 is 945445.

It can be written as a sum of positive squares in 2 ways, for example, as 5442889 + 2601 = 2333^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5445490² = 59306722680200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5445493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272265 + ... + 272284.

Almost surely, 2^5445490 is an apocalyptic number.

5445490 is a deficient number, since it is larger than the sum of its proper divisors (4356410).

5445490 is a wasteful number, since it uses less digits than its factorization.

5445490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544556.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5445490 is about 2333.5573701968. The cubic root of 5445490 is about 175.9323302179.

The spelling of 5445490 in words is "five million, four hundred forty-five thousand, four hundred ninety".